Significant Transactions (Details) - USD ($) $ in Millions	1 Months Ended
	Apr. 30, 2025	Sep. 30, 2025	Dec. 31, 2024
Business Combination [Line Items]
Goodwill		$ 61,406	$ 58,209
Nitel
Business Combination [Line Items]
Acquisition, cash consideration	$ 1,300
Goodwill	$ 1,100